Welcome Juniors! Join us to earn your Mechanical Engineering: Balloon Car badge. We will We will learn about potential and kinetic energy and then we will build and test your own balloon powered car. Special Scout price of $11.00 per scout includes one hour program and 30 minutes of free play in the museum. Each scout group can be accompanied by one leader at no additional cost. Any other accompanying parents and siblings must purchase admission upon arrival ($15 per person ages 2+). Class price does not include the physical badge.